ORA-40202: column string does not exist in the input table string
Cause: The column was missing from the table.
Action: Correct the table schema and/or provide the correct column name.
ORA-40202: column string does not exist in the input table string
这是一个Oracle数据库报错，当一个SQL查询中，用到了不存在的字段名或表名，就会出现这个错误。
SELECT * FROM table_1 WHERE column_1 = ‘xxxx’;
此处，如果字段column_1不存在，就会出现ORA-40202的错误。